# install_name_tool -change /Users/cgw/Downloads/ffmpeg-build-scripts-master/build/mac-x86_64/x264/lib/libx264.160.dylib @executable_path/../Frameworks/libx264.160.dylib libavformat.dylib

install_name_tool -change /Users/cgw/Downloads/ffmpeg-build-scripts-master/build/mac-x86_64/$1/lib/$2.dylib @executable_path/../Frameworks/$3.dylib $4.dylib

